The second International Exhibition of Eugenics held September 22 to October 22, 1921, in connection with the Second International Congress of Eugenics in the American Museum of Natural History, New York : an account of the organization of the exhibition, the classification of the exhibits, the list of exhibitors, and a catalog and description of the exhibits / by Harry H. Laughlin.

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Credit: The second International Exhibition of Eugenics held September 22 to October 22, 1921, in connection with the Second International Congress of Eugenics in the American Museum of Natural History, New York : an account of the organization of the exhibition, the classification of the exhibits, the list of exhibitors, and a catalog and description of the exhibits / by Harry H. Laughlin. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)